If pump is running, then two other places to look are the fuel filter and regulator. GC of that year may either have regulator on fuel rail and filter in line near l/r wheel, or both as one unit on the tank on top of the sending unit.

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Related Questions:

No kill switch. You may have a fuel pump pressure issue, it may being losing pressure after shut down due to a faulty fuel pump check valve. Do a fuel pressure leakdown test, start the engine with a fuel pressure test gage hooked to the test port on the fuel supply rail to the fuel injectors, looks like a tire valve. Start the engine and run it and check for leaks at the pressure port to the test gage, repair as needed, once you are sure the test gage is leak free shut the engine down, if the fuel pressure bleeds down very quickly then you need to replace the fuel pump.

First eliminate the fuel flow, replace the fuel filter. It starts and runs, pump is OK. Then I would go back to the exhaust. Remove an O2 sensor before the catalytic converter. One is fine. It will be louder. If it runs better at picks up speed, then the cats are clogging up.

Your Jeep has what's known as the delayed start, no check engine light problem. The Jeep will not start until the check engine light comes on, on the dashboard. Next time it cranks but will not start, look at the dashboard to see if the check engine light is illuminated. If it's not lit up, then your Jeep does have that problem and your Jeep ecu is in need of repair or replacement. There are components inside the ecu that are going bad and will continue to get worse, eventually leading to a permanent no start condition. There are ecu repair services and replacement ecus on ebay.

Do a fuel pressure leak down test, the test port is located on the fuel rail that supplies fuel to the injectors on the top of the engine, the pressure should not drop more than 5 PSI after the engine is shut down, make sure the fuel gauge (special tool) is not leaking at the schrader port connection. If the fuel pressure leaks down right away you need to replace the fuel pump inside the fuel tank, it has a defective pressure check valve. I understand you can buy a universal test gauge from most parts stores for about $20.00 that hooks up to the above mentioned test port.

Fuel pump is bleeding back so it isn't holding pressure in the lines. So when it sits long enough it is hard to start. Try turning the key on and then off wait 15 secs or so and turn key on and then off again do this one more time and see if starts. If so then you will need to replace the fuel pump in the tank soon.

THE THINGS YOU MENTIONED WON'T AFFECT CRANK SPEED. YOU'RE BATTERY IS PROBABLY ON THE WAY OUT THE DOOR. LOOK FOR CORROSION AND LEAKING BATTERYLIKE AROUND TERMINALS AND POSTS. BATTERY IS PROBABLY LOW ON CCA'S. NOW IF TALKING ABOUT WON'T START AND TAKES LONG CRANK TIMES IT CAN BE FUEL PUMP LOSING PRESSURE IN FUEL RAIL OR LACK OF FUEL PRESSURE CONSIDERING WHAT YOU MENTIONED. EVAP SOLENOID WILL USUALY SET A CHECK ENGINE LIGHT AND WONT AFFECT STARTING USUALLY UNLESS YOU HAVE A HUGE VACUUM LEAK

First install a fuel pressure tester on the fuel rail and check the
pressure during crank. It should be about 30 psi.If the pressure is not
good then it could be a bad fuel pump relay or fuel pump itself (in the
tank).
If the fuel pump pressure is good then you could have a bad crank sensor.